BIT-node-2026-56850

vendorUSosv

view advisory published 2026-08-17Licence: per source

A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) client identities to be reused across requests configured with different client certificates. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-56850US	medium4.4	0.08% (0th)	Exploit	2026-07-30
A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) client identities to be reused across requests configured with…

references

External citations — patches, advisories, analysis.

https://nodejs.org/en/blog/vulnerability/july-2026-security-releasesADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-56850WEB

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